Finding the Fourth Proportional to 181,998.18, 251,043.84 and 130,219.74
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Solution
The fourth proportional to 181,998.18, 251,043.84 and 130,219.74 is: 179,621.93
Step by Step Solution
- Step 1: Write the proportion equation
181,998.18 : 251,043.84 = 130,219.74 : x - Step 2: Convert to fraction form
181,998.18/251,043.84 = 130,219.74/x - Step 3: Cross multiply
181,998.18x = 251,043.84 × 130,219.74 - Step 4: Simplify right side
181,998.18x = 32,690,863,573.40 - Step 5: Solve for x
x = 32,690,863,573.40/181,998.18 - Step 6: Final answer
x = 179,621.93
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.